Bacidia acerina (Ach.) Arn.

British Columbia: Purden lake provincial park. Elev. 860 m
53 55'N, 121 57'W
On rotten log of old conifer forest of pseudotsuga menziesii, tsuga heterophylla, betula papyrifera, cornus canadensis, clintonia uniflora, and mosses.

W. J. Noble s.n., Jun 1976
With A. M. Crane
UBC